2021版高考英语大一轮复习 Unit 5 Meeting your ancestors课件 新人教

Unit5Meetingyourancestors基础知识·梳理考点知识·导练基础知识·梳理抓主干·固双基单词拓展1.n.可能的选择adj.供选择的adv.要不,或者2.vt.&vi.打断……讲话;打岔n.断绝,中断;插话3.vt.假定;设想n.假设,假定4.n.意义;重要性adj.重大的,有意义的alternativealternativelyinterruptinterruptionassumeassumptionsignificancesignificant5.n.精确;准确adj.正确的,准确的6.n.学院;学术团体;院校adj.学术的7.vi.&vt.(使)锋利;清晰n.磨具;削具adj.锋利的8.vt.&vi.使……成熟;成熟adj.成熟的9.n.分割;分配vt.分割;分配accuracyaccurateacademyacademicsharpensharpenersharpripenripedivisiondivide10.adj.凌乱的;脏的n.凌乱,脏11.n.分析vt.分析,剖析12.n.挨饿;饿死v.(使)挨饿,(使)饿死13.adj.有系统的n.系统,体系14.adv.不知怎么地messymessanalysisanalysestarvationstarvesystematicsystemsomehow15.vt.逮捕;吸引n.逮捕16.n.种类;类别;范畴17.acceleratevi.&vt..arrestcategory加速;促进短语记忆1.regardless不管;不顾2.cut切碎3.fed受够了;饱受;厌烦4.date(to...)追溯到;始于5.most至多;最多6.look向前看;为将来打算ofupupwithbackatahead句型整理1.itcouldbejustlikelastyear!要是能像去年那样该有多好呀!2.Itveryuncomfortable.那肯定很不舒服。3.Abruptlyshesatdown,byherlaughing,shoutingsister,Luna.她突然坐了下去,结果被她又笑又嚷的妹妹鲁娜一把抱了起来。Ifonlymusthavebeenonlytobescoopedup考点知识·导练解疑难·提知能1.alternativen.可能的选择adj.供选择的;其他的归纳拓展①havenoalternative/choicebuttodosth.别无选择只好做某事②there’snoalternative...……别无选择③analternativeto...……的替代品高考运用:完成句子①Butfortunatelythereis(一种替代品):cornflour.②Thedisappearanceofdinosaursisnotnecessarilycausedbyastronomicalincidents.But(其他的解释)arehardtofind.(2017江苏卷)③I(除了……别无选择)reporthimtothepolice.答案:①analternative②alternativeexplanations③havenoalternativebutto特别提示表示“别无选择,只得……”的表达方式还有:havenochoicebuttodo;can’tchoosebutdo;can’t(help)butdo;candonothingbutdo。写作联想:高考运用③其他表达方式①Ihavenochoicebuttoreporthimtothepolice.②Ican’thelpbutreporthimtothepolice.③Icandonothingbutreporthimtothepolice.2.interruptvt.&vi.打断……讲话;打岔;暂时中断或中止归纳拓展①interruptsb.打断某人讲话或正在做的事②beinterruptedby被……打断③withoutinterruption不间断地高考运用:完成句子①Whenpeopletryto(打断)you,havesethoursplannedandletthemknowtocomebackduringthattime.(2017全国Ⅱ,七选五)②Suddenly,theoldlady’swork(被……打断)thecacklingofherhen.③Let’sgosomewherewherewecantalk(不受打扰).答案:①interrupt②wasinterruptedby③withoutinterruption词语辨析:interrupt突然中断、打断他人的言语或行为,使其不能继续。disturb较正式用词,多用被动语态。指扰乱,使人不能平静或妨碍别人工作、思维或正常秩序,是程度较深的烦恼。Itisnotpolitetointerruptwhensomeoneistalking.在别人讲话时插嘴是不礼貌的。Hewasdisturbedtohearofherillness.听说她的病情,他很焦虑。3.assumevt.假定,设想;承担归纳拓展①assumesb./sth.tobe假定/假设某人/某事为②Itisassumedthat...……被认为……③assuming(that)...=supposing(that)...假设/假定……④makeanassumption认为;假定高考运用:完成句子①So,letus(假设)thathistoricalbuildingsarebothattractiveandimportanttothemajorityofpeople.②Wemust(假定他是清白的)untilheisprovedguilty.③(有人认为)allhumanbeingscoulddowastoadapttotherapidlychangingconditions.④(假设)itrains,whatshallwedo?答案:①assume②assumehimtobeinnocent③Itwasassumedthat④Assuming/Supposing(that)写作联想:高考运用③其他表达方式①Itwasbelievedthatallhumanbeingscoulddowastoadapttotherapidlychangingconditions.②Itwasacknowledgedthatallhumanbeingscoulddowastoadapttotherapidlychangingconditions.特别提示在英语中,有些看上去是动词-ing形式或动词-ed形式的词,实际上可直接用作介词或连词。例如:consideringprep.&conj.“鉴于,考虑到”;includingprep.“包括,包含”;supposingconj.“假设,假如”;provided/providingconj.“假设,如果”;concerningprep.“关于”;givenprep.“鉴于,考虑到”等。4.somehowadv.以……方式,不知怎么地,不知为什么归纳拓展①anyhow无论如何;不管怎样②somewhat有点儿,有几分;颇为高考运用:完成句子①(不知为什么),atthatmoment,hecouldn’trememberanything.②Thepriceis(有点儿)higherthanIexpected.答案:①Somehow②somewhat5.significancen.意义;意思;重要性;重要意义归纳拓展①beof(great)significance=be(very)significant有(重大)意义/(非常)重要②beofno/littlesignificance无意义/不重要③attachsignificanceto...重视……高考运用:完成句子①I(非常重视)thesuccessfullaunchingofShenzhouⅪ.②Asachild,Adelinecouldn’tunderstandwhythemedalwasso(重要的).答案:①attachgreatsignificanceto②significant6.regardlessof不注意;不顾;不管(强调不认为某事非常重要,从而对其不、理会、不重视)归纳拓展①inspiteof尽管,不顾(=despite)②asregards=regarding=in/withregardto关于,至于③regardsb.as把某人看作高考运用:完成句子①(不管)yourchoiceofcourse,you’lldevelopyourlanguageabilitybothquicklyandeffectively.②Hesurvived(尽管)sufferinggreatinjuries.答案:①Regardlessof②inspiteof7.cutup切碎;剁碎;使伤心,使难受归纳拓展①cutoff切断,中断;使与外界隔绝②cutdown砍倒;缩减③cutthrough剪断,凿穿,开辟(出路或通道)④cutin(onsb./sth.)打断别人说话;插嘴高考运用:完成句子①Hewasreallycutwhenallhisfriendsrefusedtohelphim.②Hestayedinhospitalforhalfayearandhefeltasifhe(隔绝)withtheoutside.③ThedoctoradvisedJackto(缩减)smoking.④Itisimpoliteto(插话)whenothersaretalking.答案:①up②wascutoff③cutdown④cutin8.fedupwith受够了;饱受;厌烦归纳拓展①feedsth.tosb./sth.喂……给……②feedsb./sth.onsth.用……喂养……③feedonsth.以……为食④feedback反馈高考运用:完成句子①Peopleare(厌烦)allthesetrafficjams.②Severalchildrenwere(给鸭子喂面包).③Whatdoesthisbird(以……为食)?答案:①fedupwith②feedingbreadtotheducks③feedon9.dateback(to...)追溯到……;始于归纳拓展①datefrom=datebackto追溯到……;始于②uptodate时髦的③outofdate过时的高考运用:完成句子①It’satraditionthat(追溯到)atleast300years.②Shewearsclothesthatareright(时髦的).③Hisideasarereally(过时的),andhesoundssortofsillytome.答案:①datesback(to)②uptodate③outofdate特别提示①datebackto/datefrom一般无进行时态,也无被动语态。②当谈论现在的某一物品时,虽然该物品生产于过去某一时间,但时态用现在时态。③在句中作定语时,因为datebackto/datefrom实际表示“历史多久的状态”,用动词-ing形式。10.Ifonlyitcouldbejustlikelastyear!要是能像去年那样该有多好呀!归纳拓展ifonly的用法:①表示与现在事实相反的愿望时使用ifonlysb.+did/weresth.②表示与将来事实相反的愿望,使用ifonlysb.could/woulddo/besth.结构。③表示与过去事实相反的愿望时使用ifonlysb.haddone/beensth.或ifonlysb.couldhavedone/beensth.结构。高考运用:完成句子①Oh,(如果我能留在西班牙)asanexchangestudent!②(要是我更苗条),morebeautiful,richer,moreclever,Iwoul